Patents by Inventor Hajime Miyazaki
Hajime Miyazaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120164012Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: March 5, 2012Publication date: June 28, 2012Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Patent number: 8177531Abstract: A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space between the tube and the first and second cams. The first and second cams produce a first condition where the fingers are all released and a second condition where at least one of the fingers constantly closes the tube. The first and second cams sequentially press the fingers, and the fingers sequentially repeat closure and release of the tube so that fluid can continuously flow.Type: GrantFiled: September 16, 2010Date of Patent: May 15, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Mamoru Miyasaka, Kazuo Kawasumi
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Patent number: 8157546Abstract: A fluid transporting device is of a writhing type for transporting a fluid continuously. The fluid transporting device comprises a plurality of push pins arranged along a tube and radially on a concentric arc for squeezing a portion of the tube through which the fluid is fed and having elasticity substantially at right angles, and rollers for pushing those push pins sequentially from the inlet side to the outlet side of the fluid. With this structure, it is possible to provide a thin, small fluid transporting device for continuing a stable flow rate, and a fluid transporter having the fluid transporting device.Type: GrantFiled: November 13, 2009Date of Patent: April 17, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi, Kenichi Ushikoshi
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Publication number: 20120082577Abstract: A fluid transportation system includes: an elastic tube; a tube frame having a tube guide groove to which the tube is attached in a circular arc; a cam driving wheel interior of the tube and having a rotational center coinciding with the center of the circular arc of the tube guide groove; a first cam fixed to a center shaft of the cam driving wheel; a second cam rotatably supported by the center shaft; and a plurality of fingers radially extending from the rotation center between the tube and the first and second cams and pressing the tube by the rotation of the first and second cams, wherein when the fluid transportation system starts to operate, the first and second cams produce a state in which the second cam is attached to the first cam and at least one of the plural fingers closes the tube.Type: ApplicationFiled: December 15, 2011Publication date: April 5, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Mamoru MIYASAKA, Kawasumi KAZUO
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Publication number: 20120027624Abstract: A fluid transporter which transports fluid by pressing a plurality of radially disposed pressing shafts against a tube held in a circular-arc shape in directions from the inside of the circular-arc shape in accordance with rotation of a rotational pressing plate having a plurality of projections on the outer circumference thereof so as to allow flow of fluid includes: a first detecting section which detects the rotation angle of the rotational pressing plate; a second detecting section which detects the rotation angle of either a driving rotor for giving a rotational force to the rotational pressing plate or a reduction transmission mechanism for connecting the driving rotor and the rotational pressing plate; a data table which shows the relationship between the rotation angle of the rotational pressing plate and a cumulative delivery amount; and a controller which controls the drive of the driving rotor.Type: ApplicationFiled: July 7, 2011Publication date: February 2, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8100675Abstract: A fluid transporting device comprises a tube frame having a tube guide wall for arranging a tube having an elasticity in an arcuate shape, and a rotary pressure mechanism having a plurality of rollers. The rotary pressure mechanism is arranged, when the tube is arranged in the tube frame, on the side opposite to the guide wall side of the tube, such that its center of rotation is aligned with the center of the arc of the tube guide wall. A plurality of push pins are interposed between the tube and the rotary pressure mechanism and are arranged radially of the center of rotation of the rotary pressure mechanism. A switching mechanism moves at least one of the rollers to a position for the push pins to release the tube and a position for the push pins to press the tube.Type: GrantFiled: February 1, 2006Date of Patent: January 24, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi, Kenichi Ushikoshi
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Publication number: 20110305588Abstract: A fluid transporter includes: a rotor; a fluid delivery channel which has a groove having a circular-arc shape around a rotation axis of the rotor and disposed on a surface of a channel frame opposed to the rotor, and a sheet-shaped elastic member sealing an opening of the groove; and a plurality of pressing members disposed between the rotor and the elastic member to sequentially and repeatedly open and close the delivery channel from the upstream side to the downstream side by deforming the elastic member in accordance with the rotation of the rotor.Type: ApplicationFiled: June 8, 2011Publication date: December 15, 2011Applicant: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Publication number: 20110238005Abstract: A fluid injection system includes: a first apparatus which is attached to a human body and injects a fluid into the human body; and a second apparatus which is attached to a wrist of the human body and remotely controls the first apparatus, wherein the second apparatus includes an entry section accepting an entry of an operation command to the first apparatus and a first communicating section transmitting the operation command to the first apparatus, and the first apparatus includes a second communicating section receiving the operation command, a storing section storing the fluid, and a transporting section transporting the fluid from the storing section and injecting the fluid into the human body based on the operation command.Type: ApplicationFiled: March 17, 2011Publication date: September 29, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Atsuya HIRABAYASHI, Yasuharu HASHIMOTO
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Publication number: 20110186143Abstract: A fluid transporter which presses a tube made of elastic material by using a pressing member to close at least one position of the tube, and shifts the closed position to transport fluid within the tube, includes: a main body case on which a driving unit for driving the pressing member to shift the closed position is provided; and an attachment case which is so constructed as to be attachable to and detachable from the main body case and has a flow path through which the fluid to be transported passes, wherein the portion of the flow path pressed by the pressing member is formed by the tube, and the remaining portion of the flow path is formed integrally with the attachment case.Type: ApplicationFiled: January 27, 2011Publication date: August 4, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Daisuke UCHIKAWA
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Patent number: 7950908Abstract: A fluid transporting device is of a writhing type for transporting a fluid continuously. The fluid transporting device comprises a plurality of push pins arranged along a tube and radially on a concentric arc for squeezing a portion of the tube through which the fluid is fed and having elasticity substantially at right angles, and rollers 50 to 53 for pushing those push pins sequentially from the inlet side to the outlet side of the fluid. With this structure, it is possible to provide a thin, small fluid transporting device for continuing a stable flow rate, and a fluid transporter having the fluid transporting device.Type: GrantFiled: January 24, 2006Date of Patent: May 31, 2011Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi, Kenichi Ushikoshi
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Publication number: 20110002801Abstract: A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space between the tube and the first and second cams. The first and second cams produce a first condition where the fingers are all released and a second condition where at least one of the fingers constantly closes the tube. The first and second cams sequentially press the fingers, and the fingers sequentially repeat closure and release of the tube so that fluid can continuously flow.Type: ApplicationFiled: September 16, 2010Publication date: January 6, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Mamoru MIYASAKA, Kawasumi KAZUO
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Patent number: 7819643Abstract: A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space between the tube and the first and second cams. The first and second cams produce a first condition where the fingers are all released and a second condition where at least one of the fingers constantly closes the tube. The first and second cams sequentially press the fingers, and the fingers sequentially repeat closure and release of the tube so that fluid can continuously flow.Type: GrantFiled: November 15, 2006Date of Patent: October 26, 2010Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Mamoru Miyasaka, Kazuo Kawasumi
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Patent number: 7795612Abstract: The present invention provides an organic semiconductor device, which can be produced uniformly on a large substrate, having a high mobility and capable of greatly modulating the drain current by varying the voltage applied to a gate electrode. The present invention provides an organic semiconductor device having at least a substrate, an organic semiconductor, a gate insulating film and conductors, and having electrodes for applying bias, wherein a polymer layer, which is different from the gate insulating film, is provided in contact with the organic semiconductor, and the polymer layer is formed of a copolymer of methyl methacrylate and divinylbenzene, or the like; a process for producing the organic semiconductor device; and an organic semiconductor apparatus using the organic semiconductor device.Type: GrantFiled: December 26, 2007Date of Patent: September 14, 2010Assignee: Canon Kabushiki KaishaInventors: Akira Unno, Naotake Sato, Hajime Miyazaki, Noriyuki Doi
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Patent number: 7762788Abstract: A fluid conveyance system includes: a fluid conveyance device including a micro pump module which compresses a flexible tube communicating with a fluid containing receptacle and discharges a fluid, a memory device furnished on the micro pump module which stores individual identification data of the micro pump module, and a power source; a discharge data processing device which stores basic data for driving the fluid conveyance device; and a communication device having a communication unit which interconnects the fluid conveyance device and the discharge data processing device, wherein the discharge data processing device inputs discharge data, for discharging a desired discharge amount of a fluid, calculated from the identification data and the basic data read via the communication device, into the memory device via the communication device, and the fluid conveyance device is driven based on the discharge data.Type: GrantFiled: July 31, 2007Date of Patent: July 27, 2010Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Publication number: 20100143168Abstract: A micropump includes: a tube unit which includes a tube having elasticity and a circular-arc-shaped part, a plurality of fingers extending in radial directions from the circular-arc center of the circular-arc shape of the tube, and a tube guide frame which holds the tube and the plural fingers; a control unit which includes a cam for sequentially pressing the plural fingers from the fluid flow-in side to the fluid flow-out side of the tube, a rotor for giving rotational force to the cam, and an oscillator having a piezoelectric element and a projection disposed at an end in the longitudinal direction to contact the rotor; a reservoir which communicates with a flow inlet portion of the tube; a control circuit unit which inputs a drive signal to the piezoelectric element; and a power source which supplies power to the control circuit unit, wherein the tube unit is attachable to and detachable from the control unit substantially in the horizontal direction with respect to the rotation flat plane of the cam, andType: ApplicationFiled: November 23, 2009Publication date: June 10, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20100080720Abstract: A micropump includes: a tube unit including an elastic tube, one portion of which is disposed in an arc shape, a plurality of fingers, which are disposed radially from the direction of the radius point of the arc shape of the tube, and a guide frame, which holds the tube and the plurality of fingers; a control unit including a cam, which presses the plurality of fingers in order from the inflow side to the outflow side of the tube, a drive section, which applies torque to the cam, a control circuit, which carries out a drive control of the drive section, and a machine casing, which holds the cam, drive section, and control circuit; a reservoir with which a flow inlet of the tube communicates; and a power source which supplies electric power to the control circuit, wherein the tube unit is mountable in and removable from the control unit in a direction approximately parallel to the plane of rotation of the cam, and is mounted inside a space provided in the machine casing.Type: ApplicationFiled: August 18, 2009Publication date: April 1, 2010Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20100074781Abstract: A fluid transporting device is of a writhing type for transporting a fluid continuously. The fluid transporting device comprises a plurality of push pins arranged along a tube and radially on a concentric arc for squeezing a portion of the tube through which the fluid is fed and having elasticity substantially at right angles, and rollers for pushing those push pins sequentially from the inlet side to the outlet side of the fluid. With this structure, it is possible to provide a thin, small fluid transporting device for continuing a stable flow rate, and a fluid transporter having the fluid transporting device.Type: ApplicationFiled: November 13, 2009Publication date: March 25, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Publication number: 20100047099Abstract: A micropump includes: a tube unit which includes a tube having elasticity and a circular-arc-shaped part and a tube guide frame for holding the tube; a control unit which has a plurality of fingers extending from the center of the circular-arc shape of the tube in the radial directions, a cam for sequentially pressing the plural fingers from the inlet side to the outlet side of the tube, a drive unit for giving rotation force to the cam, a control circuit unit for controlling operation of the drive unit, a device frame for holding the plural fingers, the cam, the drive unit, and the control circuit unit; a reservoir communicating with an inlet port of the tube; and a power source for supplying power to the control circuit unit, wherein the tube unit is detachably attached to the control unit substantially in the horizontal direction with respect to the rotation surface of the cam and attached to the inside of a space produced by the device frame.Type: ApplicationFiled: July 24, 2009Publication date: February 25, 2010Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20090312708Abstract: A fluid transportation system includes a fluid transportation device housing a flexible tube, a pump unit for ejecting a fluid by squeezing the tube, a communication section, and a battery, an ejection data processing device having an input device for inputting to the fluid transportation device a driving condition for ejecting a desired ejection amount of the fluid, a display section for displaying at least the driving condition, and a communication device for connecting the fluid transportation device and the ejection data processing device to each other, wherein the fluid transportation device is driven based on the driving condition input from the ejection data processing device.Type: ApplicationFiled: April 24, 2006Publication date: December 17, 2009Applicant: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 7588959Abstract: There is provided a method for producing a field effect transistor with a high field-effect mobility using a simple method for forming an organic semiconductor layer. A method for producing an organic field effect transistor comprising an organic semiconductor layer, comprising a step of forming the organic semiconductor layer by the photodecomposition of a bicyclic compound containing in a molecule thereof at least one bicyclic ring represented by formula (1): wherein R1 and R3 each denotes a group for forming an aromatic ring or a heteroaromatic ring which may have a substituent, together with a group to be bonded to R1 or R3; R2 and R4 each denotes a hydrogen atom, an alkyl group, an alkoxy group, an ester group or a phenyl group; and X is a leaving group which denotes carbonyl group or —N?.Type: GrantFiled: February 27, 2004Date of Patent: September 15, 2009Assignee: Canon Kabushiki KaishaInventors: Hajime Miyazaki, Daisuke Miura, Tomonari Nakayama, Hidemitsu Uno, Noboru Ono